20-Inch Diameter Gas Line Pipe
Large 20-inch seamless nonalloy steel pipe for high-volume natural gas transmission mains. Classified in HTS 7304.19.10 as line pipe for gas pipelines, with thick walls for burial under highways. Exceeds typical drill pipe dimensions.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If longitudinally welded
Welding method changes classification to welded line pipe in 7305.12.
If under 114.3mm OD
Statistical break at smaller diameters, but same heading; larger are 'other'.
If sold as structural supports
If marketed for building/construction, not pipelines, it becomes 7308 structures.
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Import Tips & Compliance
• Use ISPM-15 certified pallets for large OD pipes to meet phytosanitary rules
• Submit binding ruling requests for oversized pipes if end-use is ambiguous
Related Products under HTS 7304.19.10
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This seamless steel tube, made from nonalloy steel, is specifically designed for oil and gas pipeline applications, meeting API 5L Grade B specifications for strength and durability. It falls under HTS 7304.19.10 as line pipe of iron or nonalloy steel, distinct from welded pipes in other headings. The seamless construction ensures high pressure resistance without welds.
12-Inch OD Seamless Oil Pipeline Tube
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X42 Seamless Gas Transmission Pipe
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16-Inch Seamless Carbon Steel Line Pipe
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Grade B 10-Inch OD Pipeline Tube
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